Ramu, a 8 year old boy presents with upper GI bleeding. On examination, he is found to have splenomegaly; there are no signs of ascites, or hepatomegaly; esophageal varices are found on UGIE Most likely diagnosis is –

Clues in this question are - Upper GI bleeding from esophageal varices      (iii) No ascites or hepatomegaly Splenomegaly   (iv) No jaundice All these indicate Non-cirrhotic portal hypertension. Two most common causes of extrahepatic portal hypertension are (0 NCPF seen in adults (ii) EHPVO --> seen in children So, this is a case of non-cirrhotic portal hypertension due to EHPVO. About other options - In Budd-chiari syndrome (Hepatic vein thrombosis) and venocclusive disease, there will be hepatomegaly, jaundice and ascites. In cirrhosis, jaundice and ascites will be seen.